I read those words I had no idea what I was going to be and I made more efforts on  writing afterwards.

A．When       B．Unless      C．Until D．While

       I read those words I had no idea what I was going to be and I made more efforts on  writing afterwards.

A．When                 B．Unless                 C．Until                   D．While

 ______I read those words I had no idea what I was going to be and I made more efforts on  writing afterwards.

A. When   B. Unless C. Until     D. While

 ______I read those words I had no idea what I was going to be and I made more efforts on  writing afterwards.

1. A.
   When
2. B.
   Unless
3. C.
   Until
4. D.
   While